Ranking of Illinois Counties By Population with Swiss Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 32.75K people in Illinois with Swiss ancestry. Among all Illinois counties, Cook County had the highest population with Swiss ancestry (8.09K), followed by DuPage County (2.52K), and Madison County (1.58K).
The chart and table below shows the top 10 counties with high number of people with Swiss ancestry.
You can see similar information for other states and for other ancestry groups in Illinois.
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Related Topics: Illinois ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Illinois Counties By Population with Swiss Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Cook County | 8086 |
| 2 | DuPage County | 2517 |
| 3 | Madison County | 1582 |
| 4 | Lake County | 1548 |
| 5 | Kane County | 1324 |
| 6 | Peoria County | 1322 |
| 7 | Tazewell County | 1161 |
| 8 | Winnebago County | 1147 |
| 9 | McHenry County | 1074 |
| 10 | Stephenson County | 951 |
| 11 | Woodford County | 898 |
| 12 | Will County | 881 |
| 13 | Champaign County | 723 |
| 14 | Sangamon County | 673 |
| 15 | McLean County | 654 |
| 16 | DeKalb County | 522 |
| 17 | Moultrie County | 445 |
| 18 | Livingston County | 442 |
| 19 | St. Clair County | 416 |
| 20 | Kankakee County | 394 |
| 21 | Ogle County | 273 |
| 22 | Rock Island County | 258 |
| 23 | Coles County | 217 |
| 24 | Kendall County | 201 |
| 25 | Bond County | 181 |
| 26 | Iroquois County | 170 |
| 27 | Williamson County | 164 |
| 28 | Jo Daviess County | 163 |
| 29 | Macon County | 162 |
| 30 | Stark County | 152 |
| 31 | Richland County | 151 |
| 32 | Monroe County | 149 |
| 33 | Lee County | 147 |
| 34 | Fulton County | 134 |
| 35 | Adams County | 127 |
| 36 | Jackson County | 126 |
| 36 | Jefferson County | 126 |
| 37 | Boone County | 125 |
| 38 | Effingham County | 120 |
| 39 | Pike County | 115 |
| 40 | Macoupin County | 109 |
| 41 | Fayette County | 107 |
| 42 | Knox County | 104 |
| 43 | Douglas County | 100 |
| 44 | Grundy County | 99 |
| 45 | Marshall County | 98 |
| 46 | Whiteside County | 94 |
| 47 | Logan County | 91 |
| 48 | Carroll County | 90 |
| 49 | LaSalle County | 85 |
| 50 | Bureau County | 84 |
| 50 | White County | 84 |
| 51 | Edwards County | 78 |
| 51 | Montgomery County | 78 |
| 52 | Clinton County | 77 |
| 52 | Jasper County | 77 |
| 52 | Massac County | 77 |
| 53 | Brown County | 73 |
| 54 | Christian County | 67 |
| 55 | Morgan County | 61 |
| 56 | Henry County | 55 |
| 57 | Lawrence County | 54 |
| 58 | Piatt County | 53 |
| 59 | Cass County | 49 |
| 59 | Crawford County | 49 |
| 59 | Vermilion County | 49 |
| 60 | Hancock County | 47 |
| 61 | Ford County | 46 |
| 62 | Franklin County | 45 |
| 62 | Menard County | 45 |
| 62 | Perry County | 45 |
| 63 | Randolph County | 43 |
| 64 | Putnam County | 41 |
| 65 | McDonough County | 34 |
| 66 | Saline County | 30 |
| 66 | Wayne County | 30 |
| 67 | Marion County | 28 |
| 68 | Shelby County | 27 |
| 69 | Warren County | 26 |
| 70 | De Witt County | 25 |
| 71 | Schuyler County | 24 |
| 72 | Johnson County | 19 |
| 73 | Mercer County | 17 |
| 74 | Clay County | 14 |
| 74 | Mason County | 14 |
| 74 | Pope County | 14 |
| 75 | Edgar County | 12 |
| 76 | Pulaski County | 11 |
| 77 | Washington County | 8 |
| 78 | Scott County | 6 |
| 79 | Calhoun County | 5 |
| 79 | Greene County | 5 |
| 79 | Henderson County | 5 |
| 79 | Jersey County | 5 |
| 80 | Hardin County | 4 |
| 81 | Wabash County | 3 |
| 82 | Cumberland County | 2 |
| 82 | Union County | 2 |
| 83 | Clark County | 1 |